Fossil

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Overview
Comment:Abstract the getcwd() system library routine into file_getcwd() with appropriate translations on windows.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 4b3425401f847e57991cc980122ac37a8f1d00a3
User & Date: drh 2011-05-20 15:31:45.777
Context
2011-05-21
16:45
Print an "Internal Error" if the update command is unable to find a version to update to. check-in: 88e9f24aff user: drh tags: trunk
15:38
Create new branch named "bens-expr" check-in: d73b1b5042 user: ben tags: bens-expr
2011-05-20
15:31
Abstract the getcwd() system library routine into file_getcwd() with appropriate translations on windows. check-in: 4b3425401f user: drh tags: trunk
14:17
Convert the return value of getcwd() from MBCS into UTF8 before using it. check-in: ef04076777 user: drh tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/db.c.
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** This routine always opens the user database regardless of whether or
** not the repository database is found.  If the _FOSSIL_ or .fos file
** is found, it is attached to the open database connection too.
*/
int db_open_local(void){
  int i, n;
  char zPwd[2000];
  char *zPwdConv;
  static const char *aDbName[] = { "/_FOSSIL_", "/.fos" };
  
  if( g.localOpen) return 1;
  if( getcwd(zPwd, sizeof(zPwd)-20)==0 ){
    db_err("pwd too big: max %d", sizeof(zPwd)-20);
  }
  n = strlen(zPwd);
  zPwdConv = mprintf("%/", zPwd);
  strncpy(zPwd, zPwdConv, 2000-20);
  free(zPwdConv);
  while( n>0 ){
    if( file_access(zPwd, W_OK) ) break;
    for(i=0; i<sizeof(aDbName)/sizeof(aDbName[0]); i++){
      sqlite3_snprintf(sizeof(zPwd)-n, &zPwd[n], "%s", aDbName[i]);
      if( isValidLocalDb(zPwd) ){
        /* Found a valid checkout database file */
        zPwd[n] = 0;







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** This routine always opens the user database regardless of whether or
** not the repository database is found.  If the _FOSSIL_ or .fos file
** is found, it is attached to the open database connection too.
*/
int db_open_local(void){
  int i, n;
  char zPwd[2000];

  static const char *aDbName[] = { "/_FOSSIL_", "/.fos" };
  
  if( g.localOpen) return 1;
  file_getcwd(zPwd, sizeof(zPwd)-20);


  n = strlen(zPwd);



  while( n>0 ){
    if( file_access(zPwd, W_OK) ) break;
    for(i=0; i<sizeof(aDbName)/sizeof(aDbName[0]); i++){
      sqlite3_snprintf(sizeof(zPwd)-n, &zPwd[n], "%s", aDbName[i]);
      if( isValidLocalDb(zPwd) ){
        /* Found a valid checkout database file */
        zPwd[n] = 0;
Changes to src/file.c.
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    z = mprintf("%s", g.argv[i]);
    fossil_print("[%s] -> ", z);
    file_simplify_name(z, -1);
    fossil_print("[%s]\n", z);
    fossil_free(z);
  }
}
































/*
** Compute a canonical pathname for a file or directory.
** Make the name absolute if it is relative.
** Remove redundant / characters
** Remove all /./ path elements.
** Convert /A/../ to just /
*/
void file_canonical_name(const char *zOrigName, Blob *pOut){
  if( zOrigName[0]=='/' 
#if defined(_WIN32)
      || zOrigName[0]=='\\'
      || (strlen(zOrigName)>3 && zOrigName[1]==':'
           && (zOrigName[2]=='\\' || zOrigName[2]=='/'))
#endif
  ){
    blob_set(pOut, zOrigName);
    blob_materialize(pOut);
  }else{
    char zPwd[2000];
    char *zPwdUtf8;
    if( getcwd(zPwd, sizeof(zPwd)-20)==0 ){
      fossil_fatal("pwd too big: max %d\n", (int)sizeof(zPwd)-20);
    }
    blob_zero(pOut);
    zPwdUtf8 = fossil_mbcs_to_utf8(zPwd);
    blob_appendf(pOut, "%//%/", zPwdUtf8, zOrigName);
    fossil_mbcs_free(zPwdUtf8);
  }
  blob_resize(pOut, file_simplify_name(blob_buffer(pOut), blob_size(pOut)));
}

/*
** COMMAND:  test-canonical-name
** Usage: %fossil test-canonical-name FILENAME...







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    z = mprintf("%s", g.argv[i]);
    fossil_print("[%s] -> ", z);
    file_simplify_name(z, -1);
    fossil_print("[%s]\n", z);
    fossil_free(z);
  }
}

/*
** Get the current working directory.
**
** On windows, the name is converted from MBCS to UTF8 and all '\\'
** characters are converted to '/'.  No conversions are needed on
** unix.
*/
void file_getcwd(char *zBuf, int nBuf){
#ifdef _WIN32
  char *zPwdUtf8;
  int nPwd;
  int i;
  char zPwd[2000];
  if( getcwd(zPwd, sizeof(zPwd)-1)==0 ){
    fossil_fatal("pwd too big: max %d\n", (int)sizeof(zPwd)-1);
  }
  zPwdUtf8 = fossil_mbcs_to_utf8(zPwd);
  nPwd = strlen(zPwdUtf8);
  if( nPwd > nBuf-1 ){
    fossil_fatal("pwd too big: max %d\n", nBuf-1);
  }
  for(i=0; zPwdUtf8[i]; i++) if( zPwdUtf8[i]=='\\' ) zPwdUtf8[i] = '/';
  memcpy(zBuf, zPwdUtf8, nPwd+1);
  fossil_mbcs_free(zPwdUtf8);
#else
  if( getcwd(zBuf, nBuf-1)==0 ){
    fossil_fatal("pwd too big: max %d\n", nBuf-1);
  }
#endif
}

/*
** Compute a canonical pathname for a file or directory.
** Make the name absolute if it is relative.
** Remove redundant / characters
** Remove all /./ path elements.
** Convert /A/../ to just /
*/
void file_canonical_name(const char *zOrigName, Blob *pOut){
  if( zOrigName[0]=='/' 
#if defined(_WIN32)
      || zOrigName[0]=='\\'
      || (strlen(zOrigName)>3 && zOrigName[1]==':'
           && (zOrigName[2]=='\\' || zOrigName[2]=='/'))
#endif
  ){
    blob_set(pOut, zOrigName);
    blob_materialize(pOut);
  }else{
    char zPwd[2000];

    file_getcwd(zPwd, sizeof(zPwd)-strlen(zOrigName));


    blob_zero(pOut);

    blob_appendf(pOut, "%//%/", zPwd, zOrigName);

  }
  blob_resize(pOut, file_simplify_name(blob_buffer(pOut), blob_size(pOut)));
}

/*
** COMMAND:  test-canonical-name
** Usage: %fossil test-canonical-name FILENAME...
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  blob_set(pOut, zOrigName);
  blob_resize(pOut, file_simplify_name(blob_buffer(pOut), blob_size(pOut))); 
  zPath = blob_buffer(pOut);
  if( zPath[0]=='/' ){
    int i, j;
    Blob tmp;
    char zPwd[2000];
    if( getcwd(zPwd, sizeof(zPwd)-20)==0 ){
      fossil_fatal("pwd too big: max %d\n", (int)sizeof(zPwd)-20);
    }
    for(i=1; zPath[i] && zPwd[i]==zPath[i]; i++){}
    if( zPath[i]==0 ){
      blob_reset(pOut);
      if( zPwd[i]==0 ){
        blob_append(pOut, ".", 1);
      }else{
        blob_append(pOut, "..", 2);







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  blob_set(pOut, zOrigName);
  blob_resize(pOut, file_simplify_name(blob_buffer(pOut), blob_size(pOut))); 
  zPath = blob_buffer(pOut);
  if( zPath[0]=='/' ){
    int i, j;
    Blob tmp;
    char zPwd[2000];
    file_getcwd(zPwd, sizeof(zPwd)-20);


    for(i=1; zPath[i] && zPwd[i]==zPath[i]; i++){}
    if( zPath[i]==0 ){
      blob_reset(pOut);
      if( zPwd[i]==0 ){
        blob_append(pOut, ".", 1);
      }else{
        blob_append(pOut, "..", 2);